5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx> [ Upstream commit 8fc70b3a142f97f7859bf052151df896933d2586 ] Prevent build errors when headers or libc are not available, such as on kernel build bots, like the below: samples/fanotify/fs-monitor.c:7:10: fatal error: errno.h: No such file or directory 7 | #include <errno.h> | ^~~~~~~~~ Link: https://lore.kernel.org/r/87fsslasgz.fsf@xxxxxxxxxxxxx Suggested-by: Guenter Roeck <linux@xxxxxxxxxxxx> Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx> Signed-off-by: Jan Kara <jack@xxxxxxx> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- samples/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/samples/Kconfig +++ b/samples/Kconfig @@ -122,7 +122,7 @@ config SAMPLE_CONNECTOR config SAMPLE_FANOTIFY_ERROR bool "Build fanotify error monitoring sample" - depends on FANOTIFY + depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL help When enabled, this builds an example code that uses the FAN_FS_ERROR fanotify mechanism to monitor filesystem